public class Task {
    
    public static void main(String[] args) {

        ScoreManager m = new ScoreManager();
        
        m.addScore("Alice", 100, 90, 80);
        m.addScore("Bob", 100, 90);
        m.addScore("Cindy", 100, 90, 80, 70);
        
        System.out.println("Alice's average score：" + m.getAverageScore("Alice"));
        System.out.println("Bob's scores：" + m.getScores("Bob"));
        System.out.println("Cindy's average score：" + m.getAverageScore("Cindy"));
    }
    
}